1.

A dolphin echolocates its prey in 1.25 s. Assuming the prey is still, how long does it take for the dolphin to reach it, if it starts travelling at an average speed of 15 kmph? (Take the speed of sound in water to be 1400 m s−1)

Answer»

A dolphin echolocates its prey in 1.25 s. Assuming the prey is still, how long does it take for the dolphin to reach it, if it starts travelling at an average speed of 15 kmph? (Take the speed of sound in water to be 1400 m s1)



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